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2004 Chevrolet Trailblazer Question: Code p2101, p2176, p1516, this are the codes what are they?



dan26, 4.2L 6 Cylinder, Columbus, GA, January 31, 2013, 08:32

Those are the codes on the car I need some help please.
Thank you

2 Answers
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  • Answer #1

    Greg's Orange Auto (15188 Answers) , Orange, CA - (714) 361-9386
    globalhelper January 31, 2013, 09:10

    all codes pertain to throttle position issues. best you seek daig and est from your mech. there is a test procedure to follow to determine which sensor is bad.

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  • Answer #2

    Miles Auto Services (884 Answers) , Richmond, VA - (804) 885-4176
    milesauto January 31, 2013, 11:24

    All the codes relate to sensor values being out of range concerning electronic throttle control system. This should be diagnosed by a technician.

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